Question

I have 3 table with related each other

table1 (for insert)
*******************
id1 |   lable    |     line1

table2
********************
id2 |   id1  |  id3

table3
*******************
id3 | line1

How can write in the SQL(MySQL) script instead do php script ?

INSERT INTO table1 (id1,lable,line1) VALUES ($from_GET, $from_GET,How can I got from table3?);

Thanks

Answer 1

INSERT INTO table1 (id1,lable,line1)
SELECT $from_GET, $from_GET, line1 FROM table3 WHERE id3 = $from_GET;

Check the syntax in the docs.